I got namespace.pl working again, and it showed the following routines could be declared static. fs/btrfs/ctree btrfs_clear_path_blocking btrfs_insert_some_items btrfs_prev_leaf fs/btrfs/delayed-ref btrfs_delayed_ref_pending fs/btrfs/dir-item btrfs_match_dir_item_name fs/btrfs/disk-io btrfs_congested_async btrfs_lookup_fs_root btrfs_read_fs_root write_all_supers fs/btrfs/extent-tree block_rsv_release_bytes btrfs_get_block_group btrfs_init_new_buffer fs/btrfs/extent_io extent_bmap extent_commit_write extent_prepare_write set_range_dirty wait_extent_bit wait_on_extent_buffer_writeback wait_on_extent_writeback fs/btrfs/file-item btrfs_lookup_csum fs/btrfs/free-space-cache btrfs_block_group_free_space fs/btrfs/inode btrfs_orphan_del btrfs_writepages fs/btrfs/inode-map btrfs_find_highest_inode fs/btrfs/ioctl btrfs_ioctl_space_info fs/btrfs/locking btrfs_try_tree_lock fs/btrfs/print-tree btrfs_print_tree fs/btrfs/root-tree btrfs_search_root fs/btrfs/struct-funcs btrfs_device_bandwidth btrfs_device_group btrfs_device_seek_speed btrfs_device_start_offset btrfs_dir_transid btrfs_disk_block_group_chunk_objectid btrfs_disk_block_group_flags btrfs_disk_root_generation btrfs_disk_root_level btrfs_file_extent_generation btrfs_inode_transid btrfs_set_chunk_io_align btrfs_set_chunk_io_width btrfs_set_chunk_length btrfs_set_chunk_num_stripes btrfs_set_chunk_owner btrfs_set_chunk_sector_size btrfs_set_chunk_stripe_len btrfs_set_chunk_sub_stripes btrfs_set_chunk_type btrfs_set_disk_block_group_chunk_objectid btrfs_set_disk_block_group_flags btrfs_set_disk_block_group_used btrfs_set_disk_root_bytenr btrfs_set_disk_root_generation btrfs_set_disk_root_level btrfs_set_disk_root_refs btrfs_set_extent_refs_v0 btrfs_set_ref_generation_v0 btrfs_set_ref_objectid_v0 btrfs_set_ref_root_v0 btrfs_set_stripe_devid btrfs_set_stripe_offset fs/btrfs/sysfs btrfs_sysfs_add_root btrfs_sysfs_add_super btrfs_sysfs_del_root btrfs_sysfs_del_super fs/btrfs/tree-log btrfs_log_inode_parent fs/btrfs/volumes btrfs_add_device btrfs_alloc_dev_extent btrfs_lock_volumes btrfs_read_super_device btrfs_unlock_volumes btrfs_unplug_page -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html